如何给出下拉列表背景图片

本文介绍了如何给出下拉列表背景图片的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 我在asp.net中为我动态添加的下拉值创建了一个下拉控件。我想设置背景图片和悬停颜色所有这些东西怎么办？ 我尝试过的事情： < asp：TableCell ColumnSpan =2Style =padding-left：30px; padding-bottom：20px;> < asp：DropDownList runat =serverID =ddlshopnameCssClass =PMSdropdown> DataTable dtprojects = new DataTable（）; dtprojects.TableName = Project; DataColumn dcproject = new DataColumn（）; dcproject.DataType = Type.GetType（ System.String）; dcproject.ColumnName = shopId; dtprojects.Columns.Add（dcproject）; dcproject = new DataColumn（）; dcproject.DataType = Type.GetType（ System.String）; dcproject.ColumnName = Shopname; dtprojects.Columns.Add（dcproject）; DataRow drprojects = dtprojects.NewRow（）; drprojects = dtprojects.NewRow（）; drprojects [ shopId] = 1; drprojects [ Shopname] = Shop1; dtprojects.Rows.Add（drprojects）; drprojects = dtprojects.NewRow（）; drprojects [ shopId] = 2; drprojects [ Shopname] = Shop2; dtprojects.Rows.Add（drprojects）; ddlshopname.DataSource = dtprojects; ddlshopname.DataTextField = Shopname; ddlshopname.DataValueField = shopId; ddlshopname.DataBind（）; 解决方案 Quote：我想设置背景图像和悬停颜色。 您可以使用CSS来做到这一点。 < style type = text / css > 选项：悬停 { background-color ： black; / * background-image：url（paper.gif）;尚未尝试过* / 颜色 ： white} < / style> 希望，它有帮助:) I created one dropdown control in asp.net for that drop down value I added dynamically. I want to set background image and hover color all those things how to do?What I have tried:<asp:TableCell ColumnSpan="2" Style="padding-left: 30px; padding-bottom: 20px;"> <asp:DropDownList runat="server" ID="ddlshopname" CssClass="PMSdropdown">DataTable dtprojects = new DataTable(); dtprojects.TableName = "Project"; DataColumn dcproject = new DataColumn(); dcproject.DataType = Type.GetType("System.String"); dcproject.ColumnName = "shopId"; dtprojects.Columns.Add(dcproject); dcproject = new DataColumn(); dcproject.DataType = Type.GetType("System.String"); dcproject.ColumnName = "Shopname"; dtprojects.Columns.Add(dcproject); DataRow drprojects = dtprojects.NewRow(); drprojects = dtprojects.NewRow(); drprojects["shopId"] = "1"; drprojects["Shopname"] = "Shop1"; dtprojects.Rows.Add(drprojects); drprojects = dtprojects.NewRow(); drprojects["shopId"] = "2"; drprojects["Shopname"] = "Shop2"; dtprojects.Rows.Add(drprojects); ddlshopname.DataSource = dtprojects; ddlshopname.DataTextField = "Shopname"; ddlshopname.DataValueField = "shopId"; ddlshopname.DataBind(); 解决方案 Quote:I want to set background image and hover color.You can use CSS to do that.<style type="text/css"> option:hover{ background-color:black; /*background-image: url("paper.gif"); haven't tried it yet*/ color:white}</style>Hope, it helps :) 这篇关于如何给出下拉列表背景图片的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！